diff --git a/repositories.txt b/repositories.txt
index ec198fdc0..b2a9f0888 100644
--- a/repositories.txt
+++ b/repositories.txt
@@ -5560,6 +5560,7 @@ https://github.com/RobTillaart/Student
 https://github.com/RobTillaart/SWSerialOut
 https://github.com/RobTillaart/SWSPI
 https://github.com/RobTillaart/TCA9548
+https://github.com/RobTillaart/TCA9554
 https://github.com/RobTillaart/TCA9555
 https://github.com/RobTillaart/Temperature
 https://github.com/RobTillaart/TEMT6000